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307815

Sigma-Aldrich

Sodium metasilicate

Sinonimo/i:

Disodium metasilicate, Disodium silicate, Sodium silicate, Sodium silicon oxide

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About This Item

Formula condensata:
Na2SiO3
Numero CAS:
6834-92-0
Peso molecolare:
122.06
Numero CE:
229-912-9
Numero MDL:
MFCD00003492
Codice UNSPSC:
12352302
ID PubChem:
24858628
NACRES:
NA.22

Grado

for analytical purposes

Livello qualitativo

200

Composizione

SiO2, 50-53%

Stringa SMILE

[Na+].[Na+].[O-][Si]([O-])=O

InChI

1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2
NTHWMYGWWRZVTN-UHFFFAOYSA-N

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Descrizione generale

SMS is a silicon source for silica materials and can be used as a chemical intermediate for silica gel catalysts.

Applicazioni

Reactant for:
  • Hydrothermal preparation of thorium uranium silicate (Th1-xUxSiO4) uranothorite solid solutions
  • Fabrication of dense NaA zeolite coatings
  • Reactant for preparation of tungsten modified silica as catalyst for liquid phase oxidation of styrene
Sodium metasilicate (SMS) has been used in the preparation of polypyrrole/sodium metasilicate (PPy/Na2SiO3) and polythiophene/sodium metasilicate (PT/Na2SiO3) composites, novel high dielectric constant materials for use in power electronic systems.

SMS can also be used:
  • To prepare NaZnSiO3OH, a novel chiral framework material which has potential application in ion exchange, adsorption and catalysis.
  • As a low-cost alternative to tetraethyl orthosilicate (TEOS) to synthesize highly ordered mesoporous silicas.
  • To prepare geopolymer concrete.

Pittogrammi

CorrosionExclamation mark
GHS05,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H290,H314,H335

Classi di pericolo

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

8B - Non-combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificati d'analisi (COA)

Lot/Batch Number
STBK5682
MKCQ0956
MKCP7650
MKCP3158
MKCN9722

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Eun-Jin Kim et al.
Biological trace element research, 152(1), 105-112 (2013-01-12)
Previous studies have reported that dietary silicon (Si) intake is positively associated with bone health including bone mineral density. Although the amount of Si intake is high among trace elements in humans, how dietary Si affects bone formation at the
C S Sharma et al.
Poultry science, 91(3), 719-723 (2012-02-16)
The objectives of this study were to determine the antimicrobial effects of sodium metasilicate (SMS) against Salmonella and psychrotrophic organisms in fresh, boneless, uncooked chicken breast fillets and to ascertain the effects of SMS treatments on pH. Chicken breast fillets
Synthesis and structure of NaZnSiO3OH, a new chiral zincosilicate framework material.
Healey A M, et al.
Inorganic Chemistry, 38(3), 455-458 (1999)
Subramani Saravanabhavan et al.
Environmental science & technology, 42(5), 1731-1739 (2008-04-30)
Growing environmental regulations propound the need for a transformation in the current practice of leather making. The conventional dehairing and fiber opening process results in high negative impact on the environment because of its uncleanliness. This process accounts for most
J Najda et al.
Biological trace element research, 37(2-3), 107-114 (1993-05-01)
The influence of silicon treatment on the levels of calcium and magnesium in blood serum and tissues was studied in rats. The concentrations of both elements were estimated in samples of sera and tissues of rats receiving per os a
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